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EOSDIS FY2011 Annual Metrics Report

EOSDIS FY2011 Annual Metrics Report. Prepared By: Hyo Duck Chang Adnet , Inc. Brian Krupp Adnet , Inc. Lalit Wanchoo Adnet , Inc. February 2012. Preface. Introduction. Summary. Unique Data Sets: Total number of unique data sets distributed in the fiscal year.

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EOSDIS FY2011 Annual Metrics Report

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  1. EOSDIS FY2011 Annual Metrics Report Prepared By: Hyo Duck Chang Adnet, Inc. Brian Krupp Adnet, Inc. Lalit Wanchoo Adnet, Inc. February 2012

  2. Preface FY2011 Annual Report

  3. Introduction FY2011 Annual Report

  4. Summary Unique Data Sets: Total number of unique data sets distributed in the fiscal year. Distinct Users of EOSDIS Data and Services: Total unique users across EOSDIS Data Users and Web Visitors, per data center and summed Web Site Visits: Sum of web visits for data centers where a visit represents a user session not broken by more than 30 minutes and a duration of at least one minute Average Archive Growth: Sum across reporting data centers of the data volume added to the individual archives divided by the days in the year Total Archive Volume: Sum across reporting data centers of the data volumes in the archive as of end of the fiscal year End User Distribution Products: Total number of products distributed from all reporting data centers End User Average Distribution Volume: Sum across reporting data centers of the data volume distributed for the fiscal year divided by the days in the year FY2011 Annual Report

  5. Data Metrics • Distribution • By Data Center • Volume by Domain • Products by Domain • Near Real-time Products • CALIPSO Products • Top 20 Countries • Top 10 Products • Unique Product Count • Ingest • Archive • Total Archive • Data Users • Distinct Users • Repeat Users • Top 20 Countries • Foreign Distribution FY2011 Annual Report

  6. Ingest Ingest is the amount of data coming into a data center over a period of time and includes all product levels. For this report, the data is presented as the amount of data entered into each data center during FY2011. The sum of all data centers is the total ingest for EOSDIS. OBPG and ORNL do not provide ingest metrics. Note: ASF ingest data for FY2011 is not considered accurate as of the publication of this report and is excluded in the report. FY2011 Annual Report

  7. Archive is the amount of data added to the archive over a period of time and includes all products levels. Archive metrics for CDDIS, OBPG and NSIDC V0 are not available at this time. Archive Note: ASF archive data for FY2011 is not considered accurate as of the publication of this report and is excluded in the report. FY2011 Annual Report

  8. Total Archive Size The Total Archive Size describes the EOSDIS archive at the end of FY2011. This includes all data (including ancillary) but not data marked for deletion. • * Archive values were provided by ASDC • ** In FY2011, ASF changed the method of managing their archive. Data for this report is based on a February 21, 2012 e-mail from ASF staff. • *** CDDIS archive size was derived from the archive values (6.22 TB, 78,635,159 files) as of 3/6/2012 given by CDDIS FY2011 Annual Report

  9. Distribution By Data Center Distribution presents the amount of data successfully distributed to Public Users. * OBPG data taken from the Ocean Color Website FY2011 Annual Report

  10. Volume Distributed By Domain Volume Distribution presents the volume of data successfully distributed to Public Users by Domain. * OBPG data taken from the Ocean Color Website FY2011 Annual Report

  11. Product Distribution By Domain Product Distribution presents the number of products successfully distributed to Public Users by Domain. * OBPG data taken from the Ocean Color Website FY2011 Annual Report

  12. Distribution of NRT Products • Near Real-time (NRT) Distribution provides the amount of data successfully distributed to registered users of the Land Atmosphere Near Real-time Capability for EOS (LANCE). LANCE provides access to near real-time data (<3 hours from observation) from MODIS, AMSR-E, AIRS, MLS and OMI instruments. Metrics for distribution volume, numbers of files distributed and users are presented. * Excludes metadata ** Includes the NRT products from GHRC and MODAPS FY2011 Annual Report

  13. Distribution of CALIPSO Products • Although not an EOSDIS supported mission, the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) is an Earth science mission with data available through the Atmospheric Sciences Data Center (ASDC) at NASA Langley Research Center. The tables below provide distribution statistics particular to CALIPSO. These statistics are not included in the EOSDIS totals. * Excludes metadata FY2011 Annual Report

  14. Data Distribution - Top 20 Countries * Some products are inherently larger than other files in size and therefore may skew the results. ** When counting # of files, metadata files are not included. FY2011 Annual Report

  15. Distribution of Unique Data Products • Tables below show the number of unique data products distributed to public users during FY2011. In counting unique products, metadata were excluded. Also excluded are the NRT and CALIPSO products. • * OBPG is not included since no product information is available. FY2011 Annual Report

  16. Data Distribution - Top 10 Products * Some products are inherently larger than other files in size and therefore may skew the results. ** When counting # of files, metadata files are excluded. FY2011 Annual Report

  17. Distinct Data Users presents the number of distinct public users* who received data product files. Distinct Data Users * Does not include OBPG users FY2011 Annual Report

  18. Repeat Data Users Repeat users are distinct Public users* who received data on more than one day in the fiscal year. * Does not include OBPG users FY2011 Annual Report

  19. Data Users - Top 20 Countries FY2011 Annual Report

  20. Foreign Distribution Distribution metrics for foreign public users are compared. Statistics are based on country information provided by 11 EOSDIS data centers. * EU includes 27 European Union member countries. ** China includes only People’s Republic of China and does not include Taiwan or Hong Kong. FY2011 Annual Report

  21. Web Metrics • Visitors and Visits • Repeat Visitors • Top 20 Domains • Top 20 Countries FY2011 Annual Report

  22. Web Visitors and Visits EOSIDS web activity is measured by the number of Visits made, the number of pages Viewed and the number of distinct Visitors. Visits, Views, and Visitors count visits greater than or equal to 1 minute. Visits of at least one minute are considered to represent significant work accomplished, and many of the shorter visits are of less than a second. Data came from 11 data centers (these data centers are listed in Slide #17). FY2011 Annual Report

  23. Repeat Web Visitors EOSDIS Web Visitors are characterized by the number of visits they make and how frequently they return. Visitors counted in the table below are those that stayed for one minute or more. Repeat Visitors are counted from the start of the Fiscal Year. FY2011 Web Visitors for Visits of one minute or more FY2011 Annual Report

  24. Top 20 Domains By # of Web Visitors The FY2011 Top 20 Domains for visits >= 1 minute is sorted by the # of Visitors. Data came from 11 data center s (these data centers are listed in Slide #17). All statistics are based on domains resolved by NetInsight, using host information. FY2011 Annual Report

  25. Top 20 Countries By # Web Visits The FY2011 Top 20 Countries for visits >= 1 minute is sorted by the # of Visits. Data came from 11 data center s (these data centers are listed in Slide #17). All statistics are based on country information resolved by NetInsight. FY2011 Annual Report

  26. Total Users and Trends • Total Users • Data Volume Distribution Trend • Data Product Distribution Trend • Top 10 Products Trend FY2010-FY2011 • Known U.S. - Foreign Product Distribution Trend • Web Trends (Visits and Visitors) FY2011 Annual Report

  27. Total Users • Total Users is an estimate formed by combining the distinct Data Users and distinct Web Visitors, removing the overlap. The common element for these counts is the IP address (Host); therefore, the comparison is made without using the additional details provided by the Data User email address or the Web Visitor browser. Not being able to compare the users directly likely results in an undercount. Web Visitors included in the count are for those visitors with visits of one minute or longer. To minimize the undercount, the final Total Users value includes the total Web Visitors (IP address plus browser), plus the distinct Data Users (counted by IP Address). FY2011 Annual Report

  28. Data Volume Distribution Trend The Volume Distribution Trend presents distributed volume counts from EMS by data center. OBPG distribution metrics from the Ocean Color web site are included beginning in FY2004. CDDIS data became available in FY2009. FY2011 Annual Report

  29. Data Product Distribution Trend The Product Distribution Trend presents distributed product counts from EMS by data center. OBPG distribution metrics from the Ocean Color web site are included beginning in FY2004. CDDIS data became available in FY2009. FY2011 Annual Report

  30. Top 10 Products Trend by VolumeFY2010 – FY2011 *Some products are inherently larger than other files in size and therefore may skew the results. FY2011 Annual Report

  31. Top 10 Products Trend by # of FilesFY2010 – FY2011 ** When counting # of files, metadata files are not included. FY2011 Annual Report

  32. Known U.S. – ForeignProduct Distribution Trend Note: Metrics do not include product distribution where the destination country could not be determined. Also excluded are the ocean products from OBPG for which country information is not available. FY2011 Annual Report

  33. Web Trends Web metrics data for EOSDIS became available as of FY2007. Data for FY2007 is complete for 7 and FY2008 is complete for 8 of the 11 data centers providing the metrics for FY2009 and FY2010. During FY11, all 11 data centers provided metrics. These web metrics are for visits of one minute or more. FY2011 Annual Report

  34. Definitions (1 of 3) FY2011 Annual Report

  35. Definitions (2 of 3) FY2011 Annual Report

  36. Definitions (3 of 3) FY2011 Annual Report

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